jellyfin/Jellyfin.Api/Extensions/ClaimsPrincipalExtensions.cs
Bond_009 24a7e210c3 Optimize tryparse
* Don't check for null before
* Don't try different formats when not needed (NumberFormat.Integer is the fast path)
2023-02-19 16:52:29 +01:00

81 lines
2.8 KiB
C#

using System;
using System.Linq;
using System.Security.Claims;
using Jellyfin.Api.Constants;
namespace Jellyfin.Api.Extensions;
/// <summary>
/// Extensions for <see cref="ClaimsPrincipal"/>.
/// </summary>
public static class ClaimsPrincipalExtensions
{
/// <summary>
/// Get user id from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>User id.</returns>
public static Guid GetUserId(this ClaimsPrincipal user)
{
var value = GetClaimValue(user, InternalClaimTypes.UserId);
return string.IsNullOrEmpty(value)
? default
: Guid.Parse(value);
}
/// <summary>
/// Get device id from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Device id.</returns>
public static string? GetDeviceId(this ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.DeviceId);
/// <summary>
/// Get device from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Device.</returns>
public static string? GetDevice(this ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Device);
/// <summary>
/// Get client from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Client.</returns>
public static string? GetClient(this ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Client);
/// <summary>
/// Get version from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Version.</returns>
public static string? GetVersion(this ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Version);
/// <summary>
/// Get token from claims.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>Token.</returns>
public static string? GetToken(this ClaimsPrincipal user)
=> GetClaimValue(user, InternalClaimTypes.Token);
/// <summary>
/// Gets a flag specifying whether the request is using an api key.
/// </summary>
/// <param name="user">Current claims principal.</param>
/// <returns>The flag specifying whether the request is using an api key.</returns>
public static bool GetIsApiKey(this ClaimsPrincipal user)
{
var claimValue = GetClaimValue(user, InternalClaimTypes.IsApiKey);
return bool.TryParse(claimValue, out var parsedClaimValue)
&& parsedClaimValue;
}
private static string? GetClaimValue(in ClaimsPrincipal user, string name)
=> user.Claims.FirstOrDefault(claim => claim.Type.Equals(name, StringComparison.OrdinalIgnoreCase))?.Value;
}